CN216244303U - Flue gas dust removal device - Google Patents
Flue gas dust removal device Download PDFInfo
- Publication number
- CN216244303U CN216244303U CN202122716330.9U CN202122716330U CN216244303U CN 216244303 U CN216244303 U CN 216244303U CN 202122716330 U CN202122716330 U CN 202122716330U CN 216244303 U CN216244303 U CN 216244303U
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- Prior art keywords
- dust
- smoke
- flue gas
- flue
- waste incineration
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- 239000000428 dust Substances 0.000 title claims abstract description 120
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000003546 flue gas Substances 0.000 title claims abstract description 47
- 239000000779 smoke Substances 0.000 claims abstract description 73
- 238000004056 waste incineration Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 239000013618 particulate matter Substances 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000010813 municipal solid waste Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002906 medical waste Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a flue gas dust removal device.A waste incineration boiler is internally provided with an evaporator, a high-temperature superheater and a coal economizer in sequence along the flowing direction of high-temperature airflow, a smoke outlet of the waste incineration boiler is provided with a smoke exhaust pipeline, and the smoke exhaust pipeline is communicated with a bag-type dust remover through a smoke treatment chamber; the smoke and dust treatment chamber includes flue gas shunt tubes, closed chamber and a plurality of smoke and dust separators, and the mouth that advances of flue gas shunt tubes communicates with the outlet flue of msw incineration boiler, and a plurality of smoke and dust separators are evenly installed in closed chamber, and the mouth that advances of every smoke and dust separator and a plurality of mouth one-to-one that advances of flue gas shunt tubes just communicate, and the outlet flue of smoke and dust separator communicates with the inlet end of sack cleaner. This flue gas dust collector is handled the waste incineration flue gas that produces and do not get into dust collecting equipment in the waste incineration boiler, effectively gets rid of particulate matter in the flue gas, reduces follow-up environmental protection equipment's operating pressure, improves the purifying effect of waste incineration flue gas.
Description
Technical Field
The utility model relates to the technical field of waste incineration boilers, in particular to a flue gas dust removal device.
Background
Along with the rapid development of social economy in China, the amount of garbage waste generated in the production and living processes is increased, the land occupation, the environment pollution and the potential influence on the health of people of the household garbage are more obvious, the garbage can be reasonably utilized for realizing the treatment targets of harmlessness, reclamation and reduction of the garbage, the garbage treatment trend is to carry out incineration treatment on the garbage, the incineration treatment is a garbage treatment technology widely used at present, the reclamation and the reduction can be realized, and meanwhile, the problem of pollutant emission control is generated. The waste incineration boiler is a device which is commonly used for harmless treatment in the aspects of medical and domestic waste and harmless treatment of animals and generates steam. The principle is that the objects to be treated are incinerated and carbonized at high temperature by utilizing the combustion of fuels such as coal, fuel oil, fuel gas and the like so as to achieve the aim of disinfection.
The pollutants generated in the household garbage incineration process mainly comprise four types: particulate matter (soot), acidic gases (CO, NOX, SO2, HCl, etc.), heavy metals (Hg, Cr, Pb, etc.), and organic pollutants (mainly factors of dioxins). And the classification, recovery and treatment capacities of domestic garbage in China are relatively lagged with horizontal development, the original domestic garbage contains various wastes, some wastes contain excessive water, and some wastes are difficult to burn, so that the garbage has low combustion efficiency, large smoke dust and excessive particulate matters in smoke gas in the burning process, the treatment effect of directly connecting the waste burning smoke gas with a dust removal device (a bag-type dust remover) is poor, and the problems of large dust removal amount of the device, large working pressure of the device, high energy (electricity and gas) consumption, even equipment damage and frequent replacement of dust removal parts (bags) are reflected, and the phenomena of low treatment effect on acid gas, heavy metal and organic pollutants in the burning smoke gas, caused by other smoke gas treatment and purification devices, are indirectly caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flue gas dust removal device to solve the problem that the treatment effect of waste incineration flue gas is influenced by excessive particulate matters in the waste incineration boiler flue gas.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a flue gas dust removal device comprises a garbage incineration boiler, wherein an evaporator, a high-temperature superheater and an economizer are sequentially arranged in the garbage incineration boiler along the flowing direction of high-temperature airflow, a smoke exhaust pipeline is arranged at a smoke outlet of the garbage incineration boiler, and the smoke exhaust pipeline is communicated with a bag-type dust remover through a smoke treatment chamber; wherein,
the smoke and dust treatment room includes flue gas shunt tubes, airtight chamber and a plurality of smoke and dust separator, the smoke inlet of flue gas shunt tubes with the outlet flue intercommunication of msw incineration boiler, it is a plurality of the smoke and dust separator is evenly installed airtight indoor, every the inlet flue of smoke and dust separator with a plurality of inlet flue one-to-ones and the intercommunication of flue gas shunt tubes, the outlet flue of smoke and dust separator with the inlet end intercommunication of sack cleaner.
The further technical scheme is as follows: the dust separator includes dust collecting cylinder, cartridge filter and ash discharge mechanism, the dust collecting cylinder is installed airtight indoor and with the outlet flue intercommunication of flue gas shunt tubes, the coaxial setting of cartridge filter in the dust collecting cylinder, just the end of giving vent to anger of cartridge filter stretch out the cartridge filter outer with the inlet end intercommunication of sack cleaner, ash discharge mechanism installs just through setting up in the cartridge filter airtight outdoor motor drive.
The further technical scheme is as follows: arrange grey mechanism and include carousel and helical blade, at least one the coaxial setting of carousel just rotates to be installed on the inside wall of dust collecting cylinder, helical blade's one end is installed on the lateral surface of carousel, just the terminal surface at helical blade internal diameter place slides and sets up on the cartridge filter outer peripheral face slides and sets up.
The further technical scheme is as follows: and each smoke outlet of the smoke dust separator is provided with an electromagnetic valve.
The further technical scheme is as follows: and the air inlet and the air outlet of the closed chamber are respectively provided with a digital pressure gauge.
The further technical scheme is as follows: and an injection pipe is arranged in the filter cylinder, and the air inlet end of the injection pipe penetrates out of the dust collecting cylinder and the closed chamber to be communicated with an external high-pressure air source.
Compared with the prior art, the utility model can at least achieve one of the following beneficial effects:
the utility model provides a flue gas dust removal device, which is used for treating waste incineration flue gas which is generated in a waste incineration boiler and does not enter dust removal equipment, effectively removing particulate matters in the flue gas and reducing the working pressure of subsequent environment-friendly equipment; in addition, flue gas is handled in the reposition of redundant personnel to the smoke and dust treatment chamber among this flue gas dust collector, and the gas flow is little, improves dust removal effect, and after the dust separator in the smoke and dust treatment chamber separates dust and flue gas, can keep in the dust, and every dust separator independent work removes dust, stores up ash and deashing mutual noninterference.
In addition, the dust separator can conveniently and quickly clean dust in the dust separator through the dust discharging mechanism, and can also remove dust on a filter cartridge in the dust separator; and the filter cartridge is cleaned through the blowing pipe, so that the filtering effect of the smoke separator on smoke is improved.
Drawings
FIG. 1 is a schematic structural diagram of a flue gas dust removal device of the present invention.
FIG. 2 is a schematic view of the soot processing chamber of FIG. 1 according to the present invention.
Reference numerals: 1. a waste incineration boiler; 2. a smoke exhaust duct; 3. a smoke processing chamber; 4. a bag-type dust collector; 5. a flue gas shunt pipe; 6. a closed chamber; 7. a smoke dust separator; 8. a dust collection canister; 9. a filter cartridge; 10. an ash discharge mechanism; 101. a turntable; 102. a helical blade; 11. an evaporator; 12. a high temperature superheater; 13. a coal economizer; 14. an electromagnetic valve; 15. a digital pressure gauge; 16. a blowing pipe; 26. an electric motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
in this embodiment, as shown in fig. 1 and fig. 2, a flue gas dust removing device has the following structure: the waste incineration boiler comprises a waste incineration boiler 1 for conventional waste incineration treatment, wherein an evaporator 11, a high-temperature superheater 12 and an economizer 13 are sequentially arranged in the waste incineration boiler 1 along the flow direction of high-temperature airflow and are used for heating water by using combustion heat to generate usable steam, a smoke exhaust pipeline 2 is arranged at a smoke outlet of the waste incineration boiler 1, and the smoke exhaust pipeline 2 is communicated with a bag-type dust collector 4 through a smoke dust treatment chamber 3; the smoke and dust treatment chamber 3 comprises a smoke and dust shunt pipe 5, a closed chamber 6 and a plurality of smoke and dust separators 7, wherein the smoke inlet of the smoke and dust shunt pipe 5 is communicated with the smoke outlet of the waste incineration boiler 1, the smoke and dust separators 7 are uniformly arranged in the closed chamber 6, the smoke inlet of each smoke and dust separator 7 is in one-to-one correspondence with the smoke inlets of the smoke and dust shunt pipe 5 and communicated with the smoke inlets of the bag-type dust collector 4, and the smoke outlets of the smoke and dust separators 7 are communicated with the air inlet of the bag-type dust collector 4.
The working process of the utility model is as follows: set up smoke and dust treatment chamber 3 between waste incineration boiler 1's exhaust pipe 2 and sack cleaner 4, when waste incineration boiler 1 began to burn rubbish, most particulate matters in a large amount of dust (particulate matter) in the flue gas through the earlier one-step separation flue gas behind smoke and dust treatment chamber 3 reduce the work load (pressure) of sack cleaner 4, reduce its energy consumption (the consumption of electricity and gas), improve the life of filter dust sack. Specifically, the method comprises the following steps: during dusty flue gas gets into a plurality of smoke and dust separators 7 after passing through flue gas shunt tubes 5 reposition of redundant personnel, the dust removal pressure of reduction equipment to the atmospheric content dusty flue gas, improve dust removal effect, little flow's dusty flue gas reposition of redundant personnel gets into a plurality of smoke and dust separators 7 in the sealed chamber 6, separate the collection to flue gas and dust (particulate matter), the flue gas that the discharge contains few particulate matter gets into sack cleaner 4, when continuing to carry out conventional purification treatment with conventional environmental protection equipment to contaminated gas, treatment effect and efficiency have obviously been promoted.
Example two:
in this embodiment, the dust separator 7 includes a dust collecting cylinder 8, a filter cylinder 9 and an ash discharging mechanism 10, the dust collecting cylinder 8 is installed in the sealed chamber 6 and is communicated with the smoke outlet of the smoke shunt tube 5, the filter cylinder 9 is coaxially arranged in the dust collecting cylinder 8, the air outlet end of the filter cylinder 9 extends out of the filter cylinder 9 and is communicated with the air inlet end of the bag-type dust collector 4, and the ash discharging mechanism 10 is installed in the filter cylinder 9 and is driven by a motor 26 arranged outside the sealed chamber 6.
In the dust collecting cylinder 8 is gone into with the smoke and dust to smoke exhaust pipe 2, the cigarette filters through cartridge filter 9 with dirt, can stay most in the dust collecting cylinder 8 with the separation, and the flue gas after the processing enters into sack cleaner 4 through the end of giving vent to anger of cartridge filter 9 in, and the dust in the dust collecting cylinder 8 can be discharged through dust discharging mechanism 10.
Preferably, the dust discharging mechanism 10 includes a rotating disc 101 and a spiral blade 102, at least one rotating disc 101 is coaxially disposed and rotatably mounted on the inner side wall of the dust collecting cylinder 8, one end of the spiral blade 102 is mounted on the outer side surface of the rotating disc 101, and the end surface where the inner diameter of the spiral blade 102 is located is slidably disposed on the outer peripheral surface of the filter cylinder 9.
The turntable 101 of the ash discharge mechanism 10 is driven by the motor 26 to rotate, and drives the helical blade 102 to rotate around the outer peripheral surface of the filter cartridge 9, so that on one hand, dust in the dust collecting cartridge 8 is cleaned, on the other hand, dust on the outer peripheral surface of the filter cartridge 9 is removed, and the working effect of the smoke dust separator 7 is ensured.
It is worth noting that: considering that the long helical blade 102 shakes or deforms when rotating, the end face where the inner diameter of the helical blade 102 is located is arranged on the outer peripheral surface of the filter cylinder 9 in a sliding mode, and two symmetrical rotary discs 101 are arranged on two inner side walls of the dust collecting cylinder 8, so that the strength and the rotational stability of the helical blade 102 are improved.
Preferably, a solenoid valve 14 is provided on each smoke outlet of the smoke separator 7.
When any one of the dust separators 7 needs to discharge dust, the electromagnetic valve 14 corresponding to the air inlet end is closed, so that dust is prevented from being blown out of the discharged air.
Preferably, the air inlet and the air outlet of the closed chamber 6 are respectively provided with a digital pressure gauge 15.
The difference between the two digital pressure gauges 15 is used as a criterion for judging whether the dust separator 7 discharges dust and the filter cartridge 9 is cleaned.
Preferably, a blowing pipe 16 is arranged in the filter cylinder 9, and the air inlet end of the blowing pipe 16 penetrates through the dust collecting cylinder 8 and the closed chamber 6 to be communicated with an external high-pressure air source.
The dust of the filter cartridge 9 is blown out by the high-pressure air flow, and the dust filtering effect of the filter cartridge 9 is improved.
Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a flue gas dust collector, includes waste incineration boiler (1), along high temperature air current flow direction in waste incineration boiler (1) set gradually evaporimeter (11), high temperature over heater (12) and economizer (13), its characterized in that: a smoke outlet of the waste incineration boiler (1) is provided with a smoke exhaust pipeline (2), and the smoke exhaust pipeline (2) is communicated with a bag-type dust collector (4) through a smoke dust treatment chamber (3); wherein,
smoke and dust treatment chamber (3) are including flue gas shunt tubes (5), closed chamber (6) and a plurality of smoke and dust separator (7), the inlet flue of flue gas shunt tubes (5) with the outlet flue intercommunication of msw incineration boiler (1), it is a plurality of smoke and dust separator (7) are evenly installed in closed chamber (6), every the inlet flue of smoke and dust separator (7) with a plurality of inlet flue one-to-ones and the intercommunication of flue gas shunt tubes (5), the outlet flue of smoke and dust separator (7) with the inlet end intercommunication of sack cleaner (4).
2. The flue gas dust removal device of claim 1, wherein: dust separator (7) are including dust collecting cylinder (8), cartridge filter (9) and ash discharge mechanism (10), install dust collecting cylinder (8) in closed chamber (6) and with the outlet flue intercommunication of flue gas shunt tubes (5), cartridge filter (9) coaxial setting is in dust collecting cylinder (8), just the end of giving vent to anger of cartridge filter (9) stretches out cartridge filter (9) outer with the inlet end intercommunication of sack cleaner (4), ash discharge mechanism (10) are installed just through setting up in cartridge filter (9) closed chamber (6) outer motor (26) drive.
3. The flue gas dust removal device of claim 2, wherein: the ash discharging mechanism (10) comprises a rotary disc (101) and spiral blades (102), at least one rotary disc (101) is coaxially arranged and rotatably mounted on the inner side wall of the dust collecting cylinder (8), one end of each spiral blade (102) is mounted on the outer side surface of the rotary disc (101), and the end surface where the inner diameter of each spiral blade (102) is located is slidably arranged on the outer peripheral surface of the filter cylinder (9).
4. The flue gas dust removal device of claim 1, wherein: each smoke outlet of the smoke dust separator (7) is provided with an electromagnetic valve (14).
5. The flue gas dust removal device of claim 1, wherein: and a digital pressure gauge (15) is respectively arranged at the air inlet and the air outlet of the closed chamber (6).
6. The flue gas dust removal device of claim 2, wherein: and a blowing pipe (16) is arranged in the filter cylinder (9), and the air inlet end of the blowing pipe (16) penetrates out of the dust collecting cylinder (8) and the closed chamber (6) to be communicated with an external high-pressure air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122716330.9U CN216244303U (en) | 2021-11-08 | 2021-11-08 | Flue gas dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122716330.9U CN216244303U (en) | 2021-11-08 | 2021-11-08 | Flue gas dust removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216244303U true CN216244303U (en) | 2022-04-08 |
Family
ID=80991339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122716330.9U Active CN216244303U (en) | 2021-11-08 | 2021-11-08 | Flue gas dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216244303U (en) |
-
2021
- 2021-11-08 CN CN202122716330.9U patent/CN216244303U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A flue gas dust removal device Effective date of registration: 20230802 Granted publication date: 20220408 Pledgee: Xizhu Credit Union of Wuhua District Rural Credit Cooperative in Kunming City Pledgor: Kunming Xinxingze Environmental Resources Industry Co.,Ltd. Registration number: Y2023530000051 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |